#2B4EA5#2B4EA5
#2B4EA5 is a dark, vivid blue. Relative luminance 0.087; OKLCH L 44.9% C 0.146 H 264.6°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).
Color values
| HEX | #2B4EA5 |
|---|---|
| RGB | rgb(43, 78, 165) |
| HSL | hsl(223, 59%, 41%) |
| HSV | hsv(223, 74%, 65%) |
| CMYK | cmyk(73.9%, 52.7%, 0%, 35.3%) |
| CIE-LAB | lab(35.36, 18.62, -50.66) |
| CIE-LCH | lch(35.36, 53.97, 290.19°) |
| OKLab | oklab(44.93% -0.0136 -0.1457) |
| OKLCH | oklch(44.93% 0.146 264.6) |
| XYZ | xyz(10.5098, 8.6779, 36.7111) |
| Luminance | 0.0868 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.90
Sapphire
#0F52BA
ΔE00 3.26
Cobalt (survey)
#1E488F
ΔE00 3.74
Dusk Blue
#26538D
ΔE00 4.57
Denim Blue
#3B5B92
ΔE00 5.18
Light Navy Blue
#2E5A88
ΔE00 6.24
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B4EA5 #A5822B
analogous
#2B8BA5 #2B4EA5 #452BA5
triadic
#2B4EA5 #A52B4E #4EA52B
tetradic
#2B4EA5 #A52B8B #A5822B #2BA545
square
#2B4EA5 #A52B8B #A5822B #2BA545
split-complementary
#2B4EA5 #A5452B #8BA52B
monochromatic
#122044 #1E3774 #2B4EA5 #4068CD #718FDA
Accessibility & contrast
On white
7.68
#2B4EA5 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.74
#2B4EA5 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B4EA5
7.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B4EA5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B4EA5 | 1.00 | 7.68 | 2.74 | 7.68 |
| #FFFFFF | 7.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.74 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1459A8
Deuteranopia (green-blind)
#004EA3
Tritanopia (blue-blind)
#006372
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #2b4ea5; /* rgb */ color: rgb(43, 78, 165); /* oklch */ color: oklch(44.9% 0.146 264.6);
Tailwind
colors: {
custom: {
50: '#757fc0',
500: '#2b4ea5',
950: '#000000',
},
}SCSS
$custom: #2b4ea5; $custom-light: #757fc0; $custom-dark: #000000;
JSON
{
"hex": "#2b4ea5",
"rgb": {
"r": 43,
"g": 78,
"b": 165
},
"hsl": {
"h": 222.787,
"s": 58.654,
"l": 40.784
},
"oklch": {
"l": 0.44933,
"c": 0.14637,
"h": 264.6
},
"luminance": 0.08679
}Semantic roles & 50–950 ramp
primary
#2B4EA5
secondary
#C1A86B
accent
#B546E2
background
#F7F7FB
surface
#EEEEF7
border
#C9C9D0
text
#0A0A12
muted
#7C7C81